20966460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1567}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 59006976

約数和(自身を除く): 38040516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 1567, 2230, 2676, 3134, 3345, 4460, 4701, 6268, 6690, 7835, 9402, 13380, 15670, 18804, 23505, 31340, 47010, 94020, 349441, 698882, 1048323, 1397764, 1747205, 2096646, 3494410, 4193292, 5241615, 6988820, 10483230, 20966460]

約数ペア:

[(1, 20966460), (2, 10483230), (3, 6988820), (4, 5241615), (5, 4193292), (6, 3494410), (10, 2096646), (12, 1747205), (15, 1397764), (20, 1048323), (30, 698882), (60, 349441), (223, 94020), (446, 47010), (669, 31340), (892, 23505), (1115, 18804), (1338, 15670), (1567, 13380), (2230, 9402), (2676, 7835), (3134, 6690), (3345, 6268), (4460, 4701)]